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Earnings per common share
9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Earnings per common share Earnings per share
Basic earnings per share is computed by dividing net income by the weighted average number of shares of common stock outstanding during the applicable period. Diluted earnings per share is computed by dividing net income by the total of the weighted average number of shares of common stock outstanding during the applicable period, plus the effect of nonvested performance share awards and restricted stock units. Common stock outstanding includes issued shares less shares held in treasury. Net income was the same for both the basic and diluted earnings per share calculations. A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per share calculations follows:
 
Three Months Ended
Nine Months Ended
 
September 30,
September 30,
 
2019

2018

2019

2018

 
(In thousands, except per share amounts)
Weighted average common shares outstanding - basic
199,343

196,018

198,016

195,618

Effect of dilutive performance share awards and restricted stock units
40

247

17

486

Weighted average common shares outstanding - diluted
199,383

196,265

198,033

196,104

Shares excluded from the calculation of diluted earnings per share
155

114

243


Dividends declared per common share
$
.2025

$
.1975

$
.6075

$
.5925